<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>浮动</title>
		<style>
			#main {
				/* 	margin: 0 auto; */
				border: 5px solid red;
				/* height: 105px; */
				overflow: hidden;
			}

			#main div:nth-child(4) {
				height: 210px;
			}

			#main div {
				float: left;
				height: 100px;
				width: 100px;
				margin: 2px;
				background-color: aqua;
				font-size: 30px;
				text-align: center;
				line-height: 100px;
				font-family: 'Times New Roman', Times, serif;
			}

			#p1 {
				border: 2px groove greenyellow;
			}
		</style>
	</head>
	<body>
		<div id="main">
			<div>11</div>
			<div>22</div>
			<div>33</div>
			<div>44</div>
			<div>55</div>
			<div>66</div>
			<div>77</div>
			<div>88</div>
			<div>99</div>
		</div>
		<p id="p1">
			We change lives
		</p>
	</body>
</html>
